Blue Bombers 48, Argonauts 21: Matt Nichols threw three touchdown passes as Winnipeg trounced visiting Toronto to remain the only unbeaten team in the CFL.

Nichols completed 18-of-24 passes for 209 yards while Andrew Harris rushed for 116 yards on 14 carries and added a touchdown reception for the Blue Bombers, who improved to 4-0 for the first time since 2003. Nic Demski caught two passes for 75 yards and a TD while Darvin Adams finished with five receptions for 71 yards and a score for Winnipeg, which took sole possession of first place in the West Division.

McLeod Bethel-Thompson was 22-of-39 for a career-high 388 yards and three touchdowns for the Argonauts, who fell to 0-4 for the first time in 26 years. Derel Walker hauled in nine passes for 188 yards and a pair of scores while Armanti Edwards added a TD reception for Toronto, which has dropped 11 straight road games.

Lucky Whitehead returned the opening kickoff 104 yards for a touchdown and Nichols fired scoring strikes to Harris (4 yards) and Adams (38) to put Winnipeg on top 21-0 after one quarter. Demski hauled in a 67-yard touchdown pass before Bethel-Thompson found a wide-open Walker for a 31-yard TD, but Justin Medlock converted a pair of field goals, including a 13-yarder as the first half expired, to give the Blue Bombers a commanding 37-6 lead.

Bethel-Thompson threw a 55-yard scoring pass to Edwards and then hit Walker for a 44-yard touchdown on the last play of the third quarter as Toronto pulled within 40-19. Winnipeg snuffed out any hopes of a comeback by making a goal-line stand with 2:56 remaining and backup quarterback Chris Streveler turned the corner for a 23-yard touchdown with 31 seconds left to cap an impressive performance.

GAME NOTEBOOK: Harris became the 12th player in CFL history to reach 8,000 career rushing yards. … The Blue Bombers' streak of not allowing an offensive touchdown was snapped at 10 quarters. … Nichols improved to 6-1 as a starter against Toronto while Bethel-Thompson has lost eight of his 10 overall starts. … Streveler rushed for 37 yards on four carries to go along with 30 passing yards and an interception.